Home / 413,156.40-619,734.60-346,234.20

Finding the Fourth Proportional to 413,156.40, 619,734.60 and 346,234.20

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Solution

The fourth proportional to 413,156.40, 619,734.60 and 346,234.20 is: 519,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,156.40 : 619,734.60 = 346,234.20 : x
  2. Step 2: Convert to fraction form
    413,156.40/619,734.60 = 346,234.20/x
  3. Step 3: Cross multiply
    413,156.40x = 619,734.60 × 346,234.20
  4. Step 4: Simplify right side
    413,156.40x = 214,573,313,443.32
  5. Step 5: Solve for x
    x = 214,573,313,443.32/413,156.40
  6. Step 6: Final answer
    x = 519,351.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.